Finding the Fourth Proportional to 3,410.40, 5,113.92 and 1,101.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,410.40 : 5,113.92 = 1,101.60 : x
2. Step 2: Convert to fraction form
   3,410.40/5,113.92 = 1,101.60/x
3. Step 3: Cross multiply
   3,410.40x = 5,113.92 × 1,101.60
4. Step 4: Simplify right side
   3,410.40x = 5,633,494.27
5. Step 5: Solve for x
   x = 5,633,494.27/3,410.40
6. Step 6: Final answer
   x = 1,651.86